**lagrange_interp_nd_test**,
a C++ code which
calls lagrange_interp_nd(), which
defines and evaluates the Lagrange polynomial p(x)
which interpolates a set of data depending on a M-dimensional argument
that was evaluated on a product grid,
so that p(x(i)) = z(i).

The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.

lagrange_interp_nd, a C++ code which defines and evaluates the Lagrange polynomial p(x) which interpolates a set of data depending on an M-dimensional argument x that was evaluated on a product grid, so that p(x(i)) = z(i).

- lagrange_interp_nd_test.cpp, a sample calling program.
- lagrange_interp_nd_test.sh, runs all the tests.
- lagrange_interp_nd_test.txt, the output file.